How many years are in 5 decades?

[ElenaHalve]

I'm trying to figure out how many years make up 5 decades. Can someone help clarify this quickly?

 

[Gsusangrey]

Five decades is equal to 50 years, as one decade is a period of ten years.

 

[isabel]

One decade equals 10 years, so 5 decades make 50 years in total.